package com.yhgm.utils;

import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.io.InputStream;
import java.util.UUID;

/**
 * @Author: yh
 * @Date: 2024/4/25
 */
@Component
public class AliOssUtil {
    private static final String ENDPOINT = "https://oss-cn-chengdu.aliyuncs.com";
    private static final String ACCESS_KEY_ID = "LTAI5tDMpqVmkYcM61imr8Mt";
    private static final String ACCESS_KEY_SECRET = "7puL1WDEn0EILAjqvpv6ANlhQxaSvA";
    private static final String BUCKET_NAME = "web-medical-image";

    /**
     * 实现上传图片到OSS
     */
    public String upload(MultipartFile file) throws IOException {
        // 获取上传的文件的输入流
        InputStream inputStream = file.getInputStream();

        // 避免文件覆盖
        String originalFilename = file.getOriginalFilename();
        String fileName = null;
        if (originalFilename != null) {
            fileName = UUID.randomUUID() + originalFilename.substring(originalFilename.lastIndexOf("."));
        }

        //上传文件到 OSS
        OSS ossClient = new OSSClientBuilder().build(ENDPOINT, ACCESS_KEY_ID, ACCESS_KEY_SECRET);
        ossClient.putObject(BUCKET_NAME, fileName, inputStream);

        //文件访问路径
        String url = ENDPOINT.split("//")[0] + "//" + BUCKET_NAME + "." + ENDPOINT.split("//")[1] + "/" + fileName;
        // 关闭ossClient
        ossClient.shutdown();
        return url;// 把上传到oss的路径返回
    }
}
